我国职业病名单中规定的肺尘埃沉着病是() A.硅沉着病、石棉肺、农民肺 B.石棉肺、

题型:单项选择题 A1型题

问题:

我国职业病名单中规定的肺尘埃沉着病是()

A.硅沉着病、石棉肺、农民肺

B.石棉肺、水泥肺尘埃沉着病、煤工肺尘埃沉着病

C.硅沉着病、电焊工肺尘埃沉着病、棉尘病

D.硅沉着病、陶工肺尘埃沉着病、煤工肺尘埃沉着病、农民肺

E.铸工肺尘埃沉着病、炭黑肺尘埃沉着病、铁肺尘埃沉着病

考点:公卫执业助理医师职业卫生与职业医学职业卫生与职业医学题库
题型:单项选择题 A1型题

阅读理解。

      Scott works very long hours. He usually gets up at 17: 00. He has a shower and makes his

breakfast. What a funny time to make breakfast! After breakfast he practices his guitar, then he puts

on his jacket and goes to work. To get to work, he takes the number 17 bus to the Santon Hotel.

The bus usually leaves at 19: 15, He works all night. People love to listen to him! He gets home at

7:00, and he watches the early morning news on TV. He goes to bed at 8:30, a tired but happy man,

Can you think what his job is?

1. How long does Scott work?

A. 7 hours.            

B. 8 hours.

C. About 9 hours.     

D. All night.

2. He _______ and makes his breakfast.

A. gets up              

B. takes a shower

C. works                

D. washes his face

3. What does Scott do after breakfast?

A. He goes to work.

B. He puts on his clothes.

C. He practices his guitar, then puts on his jacket and goes to work.

D. He practices his guitar.

4. Maybe (可能) he is _______.

A. a worker          

B. a singer          

C. a writer            

D. a teacher

5. How does he go to work?

A. By car.    

B. By bike.    

C. On foot.    

D. By bus

题型:单项选择题 A1型题

某屋盖工程大跨度主桁架结构使用Q345B钢材,其所有杆件均采用热轧H型钢,H型钢的腹板与桁架平面垂直。桁架端节点斜杆轴心拉力设计值N=12700kN。

现将桁架的端节点改为采用等强焊接对接节点板的连接形式,如图3-2所示,在斜杆轴心拉力作用下,节点板将沿AB—BC—CD破坏线撕裂。已确定AB=CD=400mm,其拉剪折算系数均取η=0.7,BC=33mm。试问,在节点板破坏线上的拉应力设计值(N/mm2),应与下列何项数值最为接近?()

A.356.0

B.258.7

C.178.5

D.158.2

题型:单项选择题 A1型题

用于标记蛋白质醛基的,适用范围较BHZ宽的活化生物素是()

A.BCNHS

B.BCHZ

C.BHZ

D.光生物素

E.生物素脱氧核苷三磷酸

题型:单项选择题 A1型题

《建筑设计防火规范》规定,生产或储存的火灾危险1生分为甲、乙、丙、丁四类。

题型:单项选择题 A1型题

在进近着陆阶段,何时脱开垂直导航方式()?

A.在截获航向信号之后

B.在截获下滑信号之后

C.在截获指点信号之后

D.在获得LRRA的信号之后

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